Question

Is ‘the collection of all long rivers in the world’ a set?

Answer 1

Answer:

Yes

It is a set.

Hope it works................™✌️✌️

Answer 2

$"The \: collection \:of \: all \:\red{ long }\: rivers \\in \:the \: world" \: is \:\green { not \: a \: set }\: as \\there \: is \:\blue {no\: specific \: river }\\\blue{ determine\: whether \: river \: is \: long }\\\blue { or \: not }$

Therefore.,

$\green { Given \:collection \: is \: not \:a \:set }$

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